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mmHg

abbreviation for

  1. millimetre(s) of mercury (a unit of pressure equal to the pressure that can support a column of mercury 1 millimetre high)
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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